Partial product multiplying calculator



July 18, 1950 R. E. BOYDEN ETAL 2,

PARTIAL PRODUCT MULTIPLYING CALCULATOR Filed Nov. 19, 1946 I55 Sheets-Sheet l INVENTORS F 205597 E. BOYDEN gion/42o 2 may:

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ATTORNEY S) ATTORNEY 55 Sheets-Sheet 2 INVENTORS [.Bamzw EPIYARDRDRAKE July 18, 1950 R E BOYDEN ETAL PARTIAL PRODUCT MULTIPLYING CALCULATOR Filed Nov. 19, 1946 July 18, 1950 R. E. BOYDEN ETAL PARTIAL PRODUCT MULTIPLYING CALCULATOR Filed Nov. 19, 1946 35 Sheets-Sheet 5 INVENTORJ P05527- 5. 50mm fan/A120 P DQAKE BY ATTORNEY July 18, 1950 R. E. BOYDEN ET AL 2,515,692

PARTIAL PRODUCT MULTIPLYING CALCULATOR Filed Nov. 19, 1946 35 Sheets-Sheet 4 INVENTORS Poster [.Bovpnv sawnzeo P pen/r5 ATTORNEY July 18, 1950 R. E. BOYDEN ET AL PARTIAL PRODUCT MULTIPLYING CALCULATOR 55 Sheets-Sheet 5 Filed Nov. 19, 1946 INVENTORS Past/2r Liam 051v EDWARD 2 0mm fiJRNEY R. E. BOYDEN ET'AL PARTIAL PRODUCT MULTIPLYING CALCULATOR July 18, 1950 35 Sheets-Sheet 6 Filed Nov. 19, 1946 INVENTOR5 E. Bows/v I? 0241/! July 18, 1950 R. E. BOYDEN ETAL 2,

PARTIAL PRODUCT MULTIPLYING CALCULATOR Filed Nov. 19, 1946 35 Sheets-Sheet 7 Fig. /3.

INVENTORS M0 Pastor 80mm M2 4% fan 4P0 P 00/14:

ATTORNEY July 18, 1950 R. E. BOYDEN ETAL PARTIAL PRODUCT MULTIPLYING CALCULATOR 35 Sheets-Sheet 8 Filed Nov. 19, 1946 Own Q t w? QN aw WIAAAAN/AAAAAQK 7 MM 0 m S EN 3 5.

July 18, 1950 R. E. BOYDEN ETAL PARTIAL PRODUCT MULTIPLYING CALCULATOR 35 Sheets-Sheet 9 Filed Nov. 19, 1946 INVENTOR6 Pater f. Bovonv twp R-Dzw: BY 7%AJLQ ATTORNEY July 18, 1950 R. E. BOYDEN ETAL PARTIAL PRODUCT MULTIPLYING CALCULATOR 35 Sheets-Sheet 10 Filed NOV. 19, 1946 s R O T N E v W.

206527 E. Bows/v EDWARD F. max:

ATTORNEY y 1950 R. E. BOYDEN ETAL 2,515,692

PARTIAL PRODUCT MULTIPLYING CALCULATOR Filed Nov. 19, 1946 55 Sheets-Sheet ll INVENTORS P065127 1.. omnv Zamora PM! ATTORNEY July 18, 1950 R. E. BOYDEN Er L PARTIAL PRODUCT MULTIPLYING CALCULATOR 35 Sheets-Sheet 12 Filed Nov. 19, 1946 Illl 1 H ll! sum -vw C fin INVENTORS P065127 EBOYPEM [PW/7P0 P. Ola/ox:

July 18, 1950 R. E. BOYDEN ETAL PARTIAL PRODUCT MULTIPLYING CALCULATOR 35 Sheets-Sheet 13 Filed Nov. 19, 1946 INVENTORS Pastor E. BOYDEN [ow/n20 P 0mm:

' 4)RNY y 8, 1950 R. E. BOYDEN ETAL 2,515,692

PARTIAL PRODUCT MULTIPLYING CALCULATOR Filed Nov. 19, 1946 35 Sheets-Sheet l4 INVENTORS Aoamr E. Bow! [DH/APP 1? 00M:

ATTORNEY July 18, 1950 R. E. BOYDEN EI'AL PARTIAL PRODUCT MULTIPLYING CALCULATOR 35 Sheets-Sheet 15 Filed Nov. 19, 1946 5 m m T. N m m VWA T W M i W mm W P: V v B July 18, 1950 R. E. BOYDEN ET AL 2,515,692

PARTIAL PRODUCT MULTIPLYING CALCULATOR Filed NOV. 19, 1946 35 Sheets-Sheet l6 INVENTORS Pearle? E. BOYDEN fpmpu 019mm ATTORNEY July 18, 1950 R. E. BOYDEN ETAL PARTIAL. PRODUCT MULTIPLYING CALCULATOR 35 Sheets-Sheet 1'? Filed Nov. 19, 1946 INVENTORS Paazer f. Bows/v fpw/WD ORA/(E July 18, 1950 R. E. BOYDEN ET AL PARTIAL PRODUCT MULTIPLYING CALCULATOR 35 Sheets-Sheet 18 Filed Nov. 19, 1946 INVENTORS POBIQT 5 Ba ronv [PW/W0 DPA/(E July 18, 1950 R. E. BOYDEN ETAL 2,

PARTIAL PRODUCT MULTIPLYING CALCULATOR Filed Nov. 19, 1946 35 Sheets-Sheet 19 all P085177 5. Bovacw [DWAQD P DRAKE zwm ATTORNEY July 18, 1950 R. E. BOYDEN' ETAL 2,515,692

PARTIAL PRODUCT MULTIPLYING CALCULATOR Filed Nov. 19, 1946 35 Sheets-Sheet 20 VIII INVENTOR: Foaspr f, BOYDEA/ fan 400 004K:

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